Re: [PATCH v1 4/5] misc: pvpanic: Combine ACPI and platform drivers

[Arnd Bergmann]

(resending from the kernel.org address because of bounces)

On Tue, Oct 27, 2020 at 11:07 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> On Tue, Oct 27, 2020 at 6:58 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> >  static int pvpanic_mmio_probe(struct platform_device *pdev)
> >  {
> > -       base = devm_platform_ioremap_resource(pdev, 0);
> > +       struct device *dev = &pdev->dev;
> > +       struct resource *res;
> > +
> > +       res = platform_get_mem_or_io_resource(pdev, 0);
> > +       if (res && resource_type(res) == IORESOURCE_IO)
> > +               base = devm_ioport_map(dev, res->start, resource_size(res));
> > +       else
> > +               base = devm_ioremap_resource(dev, res);
>
> Maybe this could already be combined into a devm_platform_iomap_resource()
> similar to pci_iomap()?
>
>         Arnd